Improvement in mowing-machines



academia THOMAS n. WITHEBBY, or WORCESTER, MASSACHUSETTS.

Lette/rs PateatvNo. 101,338,1la'tedMaTch 29, 1870.

IMPROVEMENT IN MOWING-MACHINES..

The Schedule yreferred to .in these Letters Patent and making part of the same To all whom it may concera.-

Be it known that I, THoMAs H. 'WITHERBL of the city and county of Worcester and State of Massachusetts, have invented a newA and useful Improvement in Mowing and Harvesting-Machines; and I dohereby declare that the following is a full, clear, and exact description of' the construction and operation of the same, reference being had to the annexed drawings making a part of this specification, I

in which- Figure l is aL top view of the machine Figure 2 is a side view;

Figure 3, a cross-sectional view; and

Figures 4 and 5 -show more in detail the mechanism contained within lthe shoe and operating the` `cutting-bar.

The nature of my invention consists in the construction and arrangement of a shoe attached to the forward part of the machine, within which are con tained the devices used to operate the cutter-bar, and through which the shaft that drives the machinery runs.

To enable others skilled in the art tomake and use my invention, I will proceed to describe its construction and operation, the same letters refer to the same parts in the different positions shown in the several figures..

A1 is ,the driving-wheel of the machine, having formed upon its inner side the bevel-gear J J'.

The axle B connects it with the opposite supporting-wheel A2, the frame or platform N being attached to the axle in the usual manner by means of the supports h 71, through which the axle passes, as seen in g. 1.

The gearing-shaft G is attached to the axle by means ofthe sleeve H1, and is fastened to the same by the nut t upon the end of said shaft.

The bevel-gear D on the shaft C meshes into th gear J upon the' driving-wheel A1.

The yshaft G is arranged at `right angles with the axle B, and its forward end supported by meausmf the shoe M, through which it passes, and secured by thel nut al on the end of the shaft.

Within said shoe and uporrthe shaft is the bcvelgear E, so arranged as to connect with and mesh into the bevel-gear F.

This gear F is placed upon a small stud or bearing, l, that passes through `it and is firmly secured in the bottom part of the shoe M.

The brace G is connectedto'the axle B in the saine manner as is the shaft O, butfat thevopposite end of saidaxlc this brace is brought forward at nearly an angle of forty-five degrees, and Aattached and secured to the forward end of the shaft C in the same manner as it is secured to the axle, and within the shoe M, in front of the gear-wheel E, washers being used to prevent a direct contact between the brace-sleeve and the gear-wheel.

To the under side vof the sleeves H1 and II2 is attached a rod, g, and to this rod the lever al is attached, having its fulcrnm at x upon the platform N.

By operating this lever the shaft C is thrown in or out of gear with the driving-wheel, at the same time causing the sleeve, to which the brace-rod G is at` tached, to move with it.

On the bottom side of the shoe M adovetail groove,

K, is formed, within which moves the slide O, iig. 4,

corresponding in shape thereto.

Upon this slide are itted and arranged the two wheels al and a2, as seen in fig. 5.

On the stud l, and just' below the bevel-gear 11, there is rigidly attached to said bevel-gear the cam b, adj usted in line with the wheels al a2.

The cutter-bar L is attached to the above slide O, so that, when the machine is in operation, a vibratory motion is imparted to the cutter-bar by means of thc gearing referred to and the cam b, a slot, n, being made in the slide, .0, through which the stud l passes. ,Y

Ihe cutting portion of this machine is hinged upon the shaft C, and its movement controlled, either raised or lowered, bglneans of the levers e and f, the latter being attached to the lower part of thcrshoe M,- when the former lever e is pressed down, the whole cutting-devices can be raised to a vertical or nearly vertical position, to admit of the machine being drawn from one field to another, as may be desired.

K is the ordinary frame for the support of the cutter-bar fingers, 85e., made in the usual way, and the shoe is provided with the wheel() on its bottom side for the purposes of support and facility of movement and transportation.

What I claim as my invention, and desire to secure by Letters Patent, is-

The shoe M pivoted to shaft C, upon opposite sides of gear E, grooved for` the reception of the slide O, and supporting the bearing Zfor the pinion F and cam b, these parts being arranged to operate in the manner and for the purposes herein described.

THOMAS H. WI/IHEBBY.

Wi tncsses B. F. J AMES, (i. MA'rm's 

